Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category (-) Antiarrhythmics (2) Antihypertensives (34) Diuretics (5) Drugs of Abuse (8) Drugs of Abuse, Therapeutics (5) NPS/Designer Drugs (1) Therapeutics (9) Vasodilators (3) Test Sub-Category Beta Blockers (2) Test Test Name 3227B Beta-Blockers Panel, Blood 3227U Beta-Blockers Panel, Urine